* {
	margin: 0;
	padding: 0;	
}

body {
	background-color: #ccc;
}

a {
	text-decoration:none;
}

.nav {
	position: relative;
	background-color: #515151;
	width: 100%;
	height: 90px;
}


.nav_list {
	position: absolute;
	top: 0;
	right: 0px;
}

.nav_logo {
	margin: 20px auto 20px 25px;
	width: 150px;
	height: 50px;
}

.nav_href {
	float: right;
	margin-right: 25px;
	line-height: 90px;
}

.nav_href li{
	float: left;
	margin-right: 30px;
	/*display: inline;*/
}

/* 未被访问的链接 */
.nav_href li a:link {
	color:#fff;
}
/* 已被访问的链接 */
.nav_href a:visited {
	color:#ccc;
}

.article {
	background-color: #fff;
	margin: 20px;
	padding: 30px 15px 20px 15px;
	box-shadow: 2px 2px 1px #515151;
}

.sidebar {
	margin: 20px;
	padding: 20px;
	box-sizing: border-box;
	background-color: #fff;
	padding: 30px 15px 20px 15px;
	box-shadow: 2px 2px 1px #515151;
/*	text-align: center;
*/}

p {
	text-indent: 2em;
}

.authorInfo {
	text-indent: 0;
}

.article p{
	line-height: 150%;
}

.title_first {
	margin-bottom: 15px;
}

.title_second {
	color: #aaa;
	margin-bottom: 10px;
}

.authorInfo {
	color: #999;
	margin-bottom: 5px;
}

.two ul{
	margin-left: 2em;
}

.three .picframe {
	border-color: #bbb;
	border-style: solid;
	border-width: 2px;
	width: 200px;
	margin-top: 10px;
	margin-left: 3em;
	text-align: center;
}
.picframe p {
	margin: 0 auto;
}

.three h2 {
	margin-bottom: 20px;
}

.three img {
	margin-top: 10px;
	height: 120px;
	width: 160px;
}

.four ol {
	margin-left: 3em;
	margin-top: 15px;
	margin-bottom: 15px;
	font-weight: bold;
}

.four table {
	border-collapse:collapse;
	width: 100%;
	margin-left: 10px;
	margin-right: 10px;
}

.four table th {
	color: #fff;
	background-color: #515151;
	text-align: left;
	font-size: 18px;
}
.four table,.four th,.four td {
	border: #aaa solid 1px;
}
.four table th,.four table td {
	padding-left: 10px;
}
.four table tfoot{
	background-color: #ccc;
}

.five table td{
	width: 400px;
	height: 30px;
}

.five table textarea {

}

.five table .left {
	text-align: right;
	margin-right: 10px;
	padding-right: 10px;
}

.five table .left span{
	font-family: "黑体";
}

.five table .right {
	text-align: left;
}

.five table .right .point{
	color: #aaa;
}

.five .submit {
	width: 100%;
	height: 40px;
	background-color: rgb(51,85,208);
	border-radius: 10px;
	color: white;
	border: none;
	margin-top: 10px;
}

.copyright {
	width: 200px;
	height: 30px;
	margin: 15px auto;
}

.copyright span {
	line-height: 30px;
}

.sidetitle {
	border-left: 4px solid #ccc;
}

/*.articleAll {
	width: 100%;
	float: left;
	overflow: hidden;
	box-sizing: border-box;
	padding: 0 520px 0 0;
	position: relative;
}

.sidebar {
	position: relative;
	float: left;
	width: 500px;
	margin-top: 20px;
	margin-left: -500px;
	text-align: center;
	left: -20px;
}*/